Grindstone Trail Running Festival

Grindstone Trail Running Festival September 18-20, 2026
21K | 50K | 100K | 100M

Step up to the challenge. Feed your sense of adventure and join us for the Grindstone Running Festival by UTMB.

This event takes you through acres of national forest in the Shenandoah Valley.

How can Compressport help you recover after a race or workout? Wearing compression helps you boost blood flow, speed up...
09/03/2026

How can Compressport help you recover after a race or workout?

Wearing compression helps you boost blood flow, speed up oxygen delivery, and flush out toxins faster, all while reducing swelling and muscle aches.

The result? Less damage, less inflammation, and a faster comeback to peak performance.

What to wear?
Full socks recovery 2.0
Full Legs recovery 2.0

Check out Compressport and feel the difference.

Wherever you race we support you!
📸

If you've ever wondered the REAL reason why people do trail races, it's because the aid stations look like this! 🤤
08/26/2026

If you've ever wondered the REAL reason why people do trail races, it's because the aid stations look like this! 🤤

The applications for our inaugural Her Plus Grindstone Mentorship & Support Program left us inspired, humbled, and hopef...
08/19/2026

The applications for our inaugural Her Plus Grindstone Mentorship & Support Program left us inspired, humbled, and hopeful for the future of our sport.

Thank you to every runner who took the time to share their story. The strength, vulnerability, and determination reflected in these applications reinforced exactly why programs like this matter.

We're thrilled to announce Iana as this year's recipient and can't wait to support her alongside Celia, Amanda, Caroline, Ashley, and the rest of the Her+ community as she prepares for the Grindstone 100M.

Give Iana some ❤️ in the comments!

These are the näak products you’ll find on course. Train with the UTMB aid station pack and test the products in traini...
08/17/2026

These are the näak products you’ll find on course.

Train with the UTMB aid station pack and test the products in training to see what works for you.

Build your personalized fueling plan for Grindstone Trail Running Festival with their free nutrition calculator, it’s not too late to plan your nutrition.

Get ready for race day: order at naak.com with code UTMBWS for 15% off, or grab your products at the UTMB merch store.

Compression: Why does it change everything before a race? A great race starts well before the starting line. Between the...
08/16/2026

Compression: Why does it change everything before a race?

A great race starts well before the starting line.

Between the trip, bib pickup, and a few tourist detours, your legs might already feel heavy before you even run the first kilometer.

COMPRESSPORT compression activates your muscles, speeds up your warm-up, and stimulates blood flow (kind of like squeezing a tube of toothpaste), reducing the risk of injury.

The result: more oxygen, less fatigue.
The solution:
🧦 Full Socks Recovery 2.0
🦵 Full Legs Recovery 2.0

Ready to boost your performance?
Discover and feel the difference.

📸 /

Compression: Why does it change everything before a race? A great race starts well before the starting line. Between the...
08/16/2026

Compression: Why does it change everything before a race?
A great race starts well before the starting line.

Between the trip, bib pickup, and a few tourist detours, your legs might already feel heavy before you even run the first kilometer.

COMPRESSPORT compression activates your muscles, speeds up your warm-up, and stimulates blood flow (kind of like squeezing a tube of toothpaste), reducing the risk of injury.

The result: more oxygen, less fatigue.
The solution:
🧦 Full Socks Recovery 2.0
🦵 Full Legs Recovery 2.0

Ready to boost your performance?
Discover Compressport and feel the difference.
Wherever you race, we support you.

📸 /

Women belong in ultrarunning.What deserves more attention is how we help more women take on ambitious goals with confide...
07/29/2026

Women belong in ultrarunning.

What deserves more attention is how we help more women take on ambitious goals with confidence.

Her Plus Grindstone was created to provide mentorship, support, and community for one woman pursuing the Grindstone 100M or 100K.

Learn more about the why behind the program ➡️

Hey, trail runners! Have you heard of Aonijie yet? This China-born brand, the leader in hydration packs in its home coun...
07/29/2026

Hey, trail runners! Have you heard of Aonijie yet? This China-born brand, the leader in hydration packs in its home country, is a true reference in the world of trail running.

Research and development are the keys to our partner’s excellence. Aonijie knows the trails inside out, and this expertise is directly reflected in their hydration gear.

Their philosophy is simple: "Inspire movement, embrace nature, and promote health." Live your adventure, share your victories as well as the tough moments with Aonijie. Check out their page, join the community, and let’s hit the trails together!

Every finish line starts with believing you belong on the start line.The Her+ Grindstone Mentorship & Support Program wa...
07/22/2026

Every finish line starts with believing you belong on the start line.

The Her+ Grindstone Mentorship & Support Program was created to help one woman or non-binary runner take on the Grindstone 100M or 100K with guidance, encouragement, and support along the way.

Applications are open and will close on August 2nd at 11:59pm. Apply at the link in the comments!

07/21/2026

The leap to a 100M or 100K can feel daunting. That's why Her+ and Grindstone Trail Running Festival by UTMB are launching Her Plus Grindstone: A Mentorship & Support Program.

Designed for women and non-binary runners interested in pursuing, or already signed up for, the Grindstone 100M or 100K, this opportunity will provide one selected applicant with personalized mentorship leading up to race day and on-site crew support during race weekend.

Think this opportunity could help you get to the start line? Apply now at the link in the comments!

Applications close August 2 at 11:59 PM EST.

Address

Shenandoah, VA
22849

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